condition mean min max ZT0-3 0.01226415 0.01226415 0.01226415 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.00630445 0.00630445 0.00630445 ZT20-23 0.015461925 0.015461925 0.015461925